MCQ Solutions for CBSE 12 Science Maths Relations and Functions in English to enable students to get Solutions in a narrative video format for the specific question.

Expert Teacher provides MCQ Solutions for CBSE 12 Science Maths Relations and Functions through Video Solutions in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Relations and Functions not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Solution in a narrative video format.

** Question:**

** Functions are defined respectively, by , find . **

** Solution Video in** **English****:**

You can select video Solutions from other languages also. Please check Solutions in ( Hindi )

**Question 1** : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N? (View Answer Video)

**Question 2** : Let be defined as f(x) = 3x. Choose the correct answer. (View Answer Video)

**Question 3** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)

**Question 4** : Letbe defined as f(x) = 3x. (View Answer Video)

**Question 5** : A function is surjective if and only if , (View Answer Video)

**Question 1** : Find the transpose of the matrix: . (View Answer Video)

**Question 2** : Compute: . (View Answer Video)

**Question 3** : If A is a square matrix such that, then find the simplified value of:. (View Answer Video)

**Question 4** : Find the value of y, from the equation: . (View Answer Video)

**Question 5** : Find the value of t, if . (View Answer Video)

**Question 1** : Using integration, find the area of the region bounded by the curves and y = x. (View Answer Video)

**Question 2** : Using integration, find the area of the triangle ABC, where A is (2,3), B is (4,7) and C is (6,2). (View Answer Video)

**Question 3** : Using integration, find the area of the triangle formed by a positive x-axis and tangent and normal to the circle at . (View Answer Video)

**Question 4** : Find the area of the region bounded by the curve and . (View Answer Video)

**Question 5** : Find the area of the region bounded by the curves and x = 3. (View Answer Video)

**Question 1** : If x, y, z are non-zero real numbers, then the inverse of matrix is, (View Answer Video)

**Question 2** : Let A be a non-singular square matrix of order 3 * 3. Then | adj A | is equal to: (View Answer Video)

**Question 3** : Evaluate the determinant: . (View Answer Video)

**Question 4** : A system of linear equations AX = B is said to be inconsistent, if the system of equations has, (View Answer Video)

**Question 5** : Let , where . THhen (View Answer Video)